It seems to open in VLC fine for me. Try using Windows Media Player or another app and see if it works then.
Videos are saved in [user]\Videos\Planetside2 (My Videos/Planetside2). I have no idea what you mean for your 2nd question.
I've been having this issue more and more as patches roll out, and its starting to become a real issue for me, and some of my friends. Sometimes, the...
If you use instant action or spawn on a spawn point, and you go through two objects that are close together, you noclip through the rest of the map...
Separate names with a comma.